How do I adjust the minimum position on my Trane Technologies Downflow Dry Bulb Economizer for ventilation?

[Danielle]

Adjusting the minimum position setting on your Trane Technologies BAYECON300 Downflow Dry Bulb Economizer ensures proper ventilation. Here's how: First, shut off the unit's power and set the zone sensor fan to "ON" and the heat/cool selector to "OFF." This will position the damper for minimum ventilation. Next, locate the potentiometer on the Economizer Control Assembly (ECA). Turn it clockwise to increase ventilation (open the damper more) or counterclockwise to decrease ventilation (close the damper). The damper will move to the new position whenever the blower circuit activates. Note that the damper may adjust in small increments. Wait for it to stabilize for 10-15 seconds to confirm the new setting. Finally, replace the filter access panel. Following these steps ensures your Trane Technologies economizer is correctly set for optimal ventilation.